Year	current US$
1990	2277037025.64447
1991	2497513523.611432
1992	2399499810.3398585
1993	2139355501.4675794
1994	2193691367.5020647
1995	2884382795.6655674
1996	3650722824.071082
1997	4319852194.944633
1998	2195389110.511087
1999	1889522701.462053
2000	2290249394.8231
2001	2317714422.257037
2002	2915605342.4200826
2003	3440354718.1669703
2004	4217154900.7124214
2005	4665276109.629184
2006	5131875344.607181
2007	5783352871.895282
2008	8198788062.637366
2009	8626990738.267471
2010	8026518896.819338
2011	7827039719.971648
2012	8817013399.328426
2013	10585188682.916073
2014	12231984898.259348
2015	12177816011.319664
2016	14859369549.341335
2017	16307003045.124369
2018	18076305442.74289
2019	19884376448.11702
2020	24071141557.991634
2021	26181262661.670464
2022	27200245287.456577